卖真心的小女孩放烟花的小男孩
[mài zhēn xīn de xiăo nǚ hái fàng yān huā de xiăo nán hái]
This name translates into little girl selling sincerity/heart and little boy setting off fireworks. It could be referencing innocence or pure intentions of children expressed through actions of selling heart which suggests sincerity or true feeling and enjoying moments with fireworks. Both elements reflect nostalgia of simple, innocent and genuine childhood happiness